According to UsagePricing's tracker, o3-pro costs $20.00 per 1M input tokens and $80.00 per 1M output tokens as of August 2026. The model supports a 200,000-token context window.
Extended-reasoning tier of o3 — the most expensive o-series model.
Token Costs (per 1M)
Input Price
$20.00
Output Price
$80.00
Technical Specs
Price History
| Date | Input Price | Output Price |
|---|---|---|
| 8/31/2026 | $20.00 | $80.00 |
Compare o3-pro With Other Models
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Frequently Asked Questions
How much does o3-pro cost per 1M tokens? ▼
o3-pro costs $20 per 1M input tokens and $80 per 1M output tokens as of August 2026.
What is o3-pro's context window? ▼
o3-pro has a context window of 200,000 tokens, meaning it can process approximately 150,000 words in a single request.
Who makes o3-pro? ▼
o3-pro is made by OpenAI. You can access it via the OpenAI API.